Powerflex PFR5-504-18 Polyurethane Rear Anti-Roll Bar/Sway Bar Mount Bushes/Bushings 18mm (Pair) for BMW 3 Series E46 inc Touring/Estate | ARB Stabiliser/Stabilizer Bracket to Chassis | Replaces 33551138104

Powerflex PFR5-504-18 Polyurethane Rear Stabiliser Bar Mounts 18 mm for BMW E46 3 Series including Touring

Transform rear-end control and cornering confidence on your BMW E46 with this pair of high-performance polyurethane stabiliser bar mount bushes. Powerflex part number PFR5-504-18 replaces BMW OE reference 33551138104 and suits vehicles equipped with an 18 mm rear stabiliser bar. Ideal for fast road use and daily driving, these bushes deliver a tighter, more precise rear axle without the softness and wear of ageing rubber.

What you get

• Part number: PFR5-504-18
• Position: Rear stabiliser bar to chassis mounts
• Size: 18 mm bar diameter
• Quantity: Pair
• Vehicle: BMW E46 3 Series including Touring models with 18 mm rear bar
• Diagram reference: 4
• Powerflex Lifetime Warranty

Why upgrade to these polyurethane mounts

• Flatter cornering and improved roll control for a more planted rear end
• Sharper turn-in with more predictable chassis behaviour
• Consistent alignment under load for better grip and reduced tyre scrub
• Durable, oil and road grime resistant material that outlasts rubber
• Enhanced stability under braking and during quick direction changes

We run these bushes on our own builds at MJ Modifications and have fitted them to many customer E46s. Feedback is consistently positive, with drivers reporting crisper handling, better mid-corner support and an overall more connected feel from the rear axle.

Fitment notes

• Measure your rear bar to confirm it is 18 mm before ordering.
• Direct replacement for OE bush 33551138104 on E46 models using an 18 mm rear stabiliser bar.
• Simple swap-in design for straightforward installation and long-term reliability.

Fitting and support

Professional fitting recommended. MJ Modifications in Warwickshire can supply and install these bushes and check bar sizing for you. Request a quote at info@mjmodifications.co.uk.

Cross references

• Powerflex: PFR5-504-18
• BMW OE: 33551138104

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